In this issue:
"World Changing Ideas for 2014": Ten problem-solving, planet improving, life-saving advances set to drive progress in the years ahead.
"Fossil Hunting in the Milky Way": Astronomers are digging up remnants of small galaxies that our Milky Way shredded and ate long ago.
"Pain That Won’t Quit": The prospects for treating chronic pain are improving.
©2014 Scientific American